The Astronomical almanac for the year 1981 data for astronomy, space sciences, gedesy, surveying, navigation other applications
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| Format: | Unknown |
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| Published: |
Washinton
us Govt. Printing Office
1980
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| Online Access: | Click Here to View Status and Holdings. |
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The Astronomical almanac for the year 1987 data for astronomy, space science, geology, surveying, navigation and other applications
The Hammond almanac of a million facts, records, forecasts 1981
Information please almanac atlas and yearbook 1990
